Here's what other sites are saying:
The Nike Lights Out boys' training pants are a comfortable essential for training, playing or just lounging around the house. Dri-FIT(R) fabric wicks moisture away quickly to keep him dry and comfortable. Mesh side panels offer excellent ventilation for vigorous activity. Flat seams reduce irritation and likelihood of chafing. Nike Lights Out pants feature an elastic waistband for a comfortable, laidback fit.